Patents by Inventor Steve Kun Sue

Steve Kun Sue has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for identifying a compound using an acoustic microscope
    Patent number: 5834648
    Abstract: A non-destructive method of identifying a type of compound in a sample using an acoustic microscope, particularly, identifying the type of compound used in an integrated circuit package by comparing attributes of the tested molding compound with known attributes of known compounds to identify the compound being evaluated. The attributes that are compared include voltage, attenuation, peak frequency, average frequency, and the velocity of reflected sound.
    Type: Grant
    Filed: February 14, 1997
    Date of Patent: November 10, 1998
    Assignee: Integrated Device Technology, Inc.
    Inventors: Willy C. Wang, Steve Kun Sue